2.1 $B7O$N@_Dj(B

$B4JC1$N$?$a$K(B, $BBg5$$O4%[email protected],[email protected],$N(B 2 mail protected],$+$i@.$k$b$N$H$9$k(B. $B4%[email protected],[email protected],$NJ,;RNL$r$=$l$>$l(B $M_{d}$ $B$H(B $M_{v}$, $B4%[email protected],[email protected],$NHfG.$r$=$l$>$l(B ${c_{p}}_{d}$ $B$H(B ${c_{p}}_{v}$, mail protected],$N%b%kHf$r(B $X$ $B$H$9$k(B. $B$=$N;~(B, $B7OA4BN$NJ,;RNL$HHfG.$O0J2<$N$h$&(B $B$K=q$1$k(B.

$$M = M_{d} (1 - X) + M_{v} X$$ (13)

$$c_{p} = {c_{p}}_{d} (1 - X) + {c_{p}}_{v} X$$ (14)